Annotations: 3DMM

Crystal structure of the CD8 alpha beta/H-2Dd complex

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d3dmmb1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	beta2-microglobulin	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d3dmmb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E [auth D]	PDZ_2	e3dmmD1	A: alpha arrays	X: Alpha-beta plaits	H: HMA-related	T: HMA, heavy metal-associated domain	F: PDZ_2	ECOD (v295.2)
D [auth C]	V-set	e3dmmC1	A: alpha arrays	X: Alpha-beta plaits	H: HMA-related	T: HMA, heavy metal-associated domain	F: V-set	ECOD (v295.2)
B	YgbB	e3dmmB1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: YgbB	ECOD (v295.2)
A	YgbB	e3dmmA1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: YgbB	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E [auth D]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D [auth C]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	3.30.500.10	Alpha Beta	2-Layer Sandwich	Murine Class I Major Histocompatibility Complex, H2-DB	Chain A, domain 1	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
E [auth D]	CD8A_CD8B homodimer	1V-LIKE	Mus musculus (house mouse)	CD8B*01	V-LIKE-DOMAIN V-LIKE	RPI	1V-LIKE_1V-LIKE	IMGT (202640-0)
D [auth C]	CD8A_CD8B homodimer	1V-LIKE	Mus musculus (house mouse)	CD8A*02	V-LIKE-DOMAIN V-LIKE	RPI	1V-LIKE_1V-LIKE	IMGT (202640-0)
B	MH1-D1*02	B2M	Mus musculus (house mouse)	B2M*01	C-LIKE-DOMAIN C-LIKE	MH	MH1-ALPHA_B2M	IMGT (202640-0)
A	MH1-D1*02	I-ALPHA	Mus musculus (house mouse)	H2-D1*02	G-DOMAIN G-ALPHA1, G-DOMAIN G-ALPHA2, C-LIKE-DOMAIN C-LIKE	MH	MH1-ALPHA_B2M	IMGT (202640-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E [auth D]	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain
D [auth C]	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain
B	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain
A	PF00129	Class I Histocompatibility antigen, domains alpha 1 and 2 (MHC_I)	Class I Histocompatibility antigen, domains alpha 1 and 2		Domain
A	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E [auth D]	T-cell surface glycoprotein CD8 beta chain	molecular transducer activity coreceptor activity signaling receptor activity protein binding binding MHC class I protein binding signaling receptor binding MHC protein binding	response to stimulus immune response immune system process adaptive immune response regulation of biological process regulation of response to stimulus biological regulation regulation of immune response regulation of immune system process	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane protein-containing complex signaling receptor complex
D [auth C]	T-cell surface glycoprotein CD8 alpha chain	protein binding binding kinase binding enzyme binding protein kinase binding protein-containing complex binding MHC protein complex binding MHC class I protein complex binding identical protein binding	multicellular organismal process T cell activation immune system process cell activation cellular process lymphocyte activation leukocyte activation cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process multicellular organismal process T cell activation immune system process cell activation cellular process lymphocyte activation leukocyte activation cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette regulation of calcium-mediated signaling positive regulation of calcium-mediated signaling signal transduction positive regulation of cellular process regulation of biological process regulation of signaling biological regulation positive regulation of intracellular signal transduction regulation of response to stimulus calcium-mediated signaling regulation of cell communication positive regulation of signaling adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity T cell mediated immunity immune response leukocyte mediated immunity adaptive immune response immune effector process cell surface receptor signaling pathway immune response-regulating cell surface receptor signaling pathway immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process positive regulation of immune system process immune response-activating cell surface receptor signaling pathway T cell receptor signaling pathway regulation of immune response antigen receptor-mediated signaling pathway activation of immune response developmental process cytotoxic T cell differentiation cellular developmental process hemopoiesis cell development mononuclear cell differentiation lymphocyte differentiation cell differentiation anatomical structure development T cell differentiation leukocyte differentiation biological process involved in interspecies interaction between organisms defense response to virus defense response response to other organism response to stress response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane extracellular region protein-containing complex signaling receptor complex membrane microdomain membrane raft plasma membrane raft plasma membrane region
C [auth P]	Synthetic peptide	-	-	-
B	Beta-2 microglobulin	-	-	-
A	H-2 class I histocompatibility antigen, D-D alpha chain	-	response to stimulus immune response immune system process antigen processing and presentation	membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane lumenal side of endoplasmic reticulum membrane intracellular membrane-bounded organelle endomembrane system side of membrane lumenal side of membrane endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure organelle nuclear outer membrane-endoplasmic reticulum membrane network membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane lumenal side of endoplasmic reticulum membrane intracellular membrane-bounded organelle endomembrane system side of membrane lumenal side of membrane endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane intracellular vesicle phagocytic vesicle phagocytic vesicle membrane cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane endocytic vesicle membrane vesicle endocytic vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth D]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
E [auth D]	IPR042414	T-cell surface glycoprotein CD8 beta chain	Family
E [auth D]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
E [auth D]	IPR013106	Immunoglobulin V-set domain	Domain
E [auth D]	IPR003599	Immunoglobulin domain subtype	Domain
E [auth D]	IPR007110	Immunoglobulin-like domain	Domain
D [auth C]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
D [auth C]	IPR015468	CD8 alpha subunit	Family
D [auth C]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
D [auth C]	IPR013106	Immunoglobulin V-set domain	Domain
D [auth C]	IPR003599	Immunoglobulin domain subtype	Domain
D [auth C]	IPR007110	Immunoglobulin-like domain	Domain
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR050208	Antigen-presenting and immune regulatory MHC class I-related	Family
A	IPR037055	MHC class I-like antigen recognition-like superfamily	Homologous Superfamily
A	IPR003597	Immunoglobulin C1-set	Domain
A	IPR010579	MHC class I, alpha chain, C-terminal	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR011161	MHC class I-like antigen recognition-like	Domain
A	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain
A	IPR001039	MHC class I alpha chain, alpha1 alpha2 domains	Domain
A	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site